Water quality monitor



FIG. 1 is an isometric view of a top, front, and left side of an embodiment of an ornamental design for a water quality monitor;

FIG. 2 is a front elevational view of the water quality monitor of FIG. 1;

FIG. 3 is a rear elevational view of the water quality monitor of FIG. 1;

FIG. 4 is a left side elevational view of the water quality monitor of FIG. 1;

FIG. 5 is a right side elevational view of the water quality monitor of FIG. 1;

FIG. 6 is a top plan view of the water quality monitor of FIG. 1; and,

FIG. 7 is a bottom plan view of the water quality monitor of FIG. 1.

The dash-dash-dash lines are for the purpose of illustrating environmental structure and form no part of the claimed design. The dash-dot-dash lines form no part of the claimed design and represent a boundary line between the claimed design and unclaimed portions. FIGS. 1-7 depict a flow cell jar attached to a housing where the flow cell jar is transparent or translucent. 

CLAIM The ornamental design for a water quality monitor, as shown and described. 